{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xa7a4c857241855d27675d7b1eec0243dad1d0f2aced05313d99467e8b33ad3c3",
    "signature": "0x4a0c7ab1b51dc1a5d6681d3b8759a1eac5e8151fcd4c9a343ba91e9c7c59ee455ef84a936ab6fd5c46c33dc5a2b368dad22429af1ddf191e9357ed28bf8cd74f1c",
    "signer": "0x11418bF0f89e9E71744d275CB6A34888cc3A769a",
    "userId": "904421219"
  }
}